CN217331397U - Long-range temperature measuring device of wind turbine generator system cable junction - Google Patents
Long-range temperature measuring device of wind turbine generator system cable junction Download PDFInfo
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- CN217331397U CN217331397U CN202221183225.1U CN202221183225U CN217331397U CN 217331397 U CN217331397 U CN 217331397U CN 202221183225 U CN202221183225 U CN 202221183225U CN 217331397 U CN217331397 U CN 217331397U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a wind turbine generator system cable junction remote temperature measuring device, which comprises a fixing component, wherein the fixing component comprises a generator system cable body, a first clamping ring, a second clamping ring, a box body and a warning lamp; the detection mechanism comprises an infrared temperature sensor. The utility model discloses a two infrared temperature sensor detect the temperature data of cable junction department simultaneously, then carry out timing work through the time-recorder, then receive the data of infrared temperature sensor and time-recorder through the PLC controller, calculate the temperature variation trend of cable junction department, when the temperature variation trend that the data that infrared temperature sensor detected reached threshold value or cable junction department is greater than the threshold value, signal transceiver sends early warning information to remote control terminal, thereby make the staff in time generate heat to the cable unusually and handle, the emergence of conflagration has been avoided, the safety guarantee in the wind turbine generator system operation has been increased.
Description
The technical field is as follows:
the utility model relates to a wind turbine generator system cable technical field specifically is a long-range temperature measuring device of wind turbine generator system cable junction.
Background art:
the root cause of the wind turbine fire is mainly that abnormal heating of a mechanical or electrical part ignites surrounding combustible materials to ignite to cause fire, and then the fire is formed. When the abnormal conditions of electrical short circuit and overcurrent occur, the protection device can act to remove the fault. However, when the unit normally operates, an abnormal heating is difficult to be found in time, that is, the abnormal heating is caused by the overlarge contact resistance at the cable connecting point, and the abnormal heating is mainly divided into three stages: in the short-term stage, the contact resistance becomes large, the cable is abnormally heated but the insulation is normal and is not easy to be found, in the middle-term stage, the contact resistance continues to become large due to heating, the abnormal heating of the cable becomes large, the insulation is accelerated to age and is not easy to be found, in the long-term stage, the contact resistance continues to become large, the abnormal heating of the cable is serious, the insulation is melted, the fire is generated and is not easy to be found, the unit is stopped due to the short circuit or grounding of the cable, and the possibility of fire is found to be late;
the existing wind turbine generator system is in the actual operation process, because the event that the cable connecting point generates heat abnormally and fires also happens occasionally, in case of causing a fire, very big loss and influence can be caused, therefore, the attention to the operating temperature of the cable connecting point is strengthened to be very important, and therefore, the remote temperature measuring device for the cable connecting point of the wind turbine generator system is provided.
The utility model has the following contents:
an object of the utility model is to provide a long-range temperature measuring device of wind turbine generator system cable junction to solve one of the problem that proposes in the above-mentioned background art.
The utility model discloses by following technical scheme implement: a wind turbine generator system cable connection point remote temperature measuring device comprises
The fixing assembly comprises a unit cable body, a first clamping ring, a second clamping ring, a box body and a warning lamp;
the detection mechanism comprises an infrared temperature sensor, a signal transceiver, a smoke concentration sensor, a PLC (programmable logic controller), a timer and a relay;
the top of the unit cable body is equipped with the box, the first clamp ring of bottom fixedly connected with of box, one side of first clamp ring articulates through the pivot has the second clamp ring, infrared temperature sensor is all installed at the inside wall middle part of first clamp ring and second clamp ring, signal transceiver is installed to upper surface one side of box, the PLC controller is installed to inside diapire one side of box, the inside diapire mid-mounting of box has the time-recorder, the upper surface mid-mounting of box has the warning light.
As further preferable in the present technical solution: the smoke concentration sensor is arranged in the middle of one side of the box body, and the relays are evenly arranged on one side of the bottom wall of the box body.
As a further preferred aspect of the present invention: and one side of each of the first clamping ring and the second clamping ring is fixedly connected with a connecting plate, and the inner side wall of each connecting plate is connected with a threaded column in a sliding manner.
As further preferable in the present technical solution: the bottom of one connecting plate is fixedly connected with a nut, and the outer side wall of each threaded column is in threaded connection with the inner side wall of the nut.
As further preferable in the present technical solution: the inner side walls of the first clamping ring and the second clamping ring are fixedly connected with rubber pads, and one end of the infrared temperature sensor penetrates through the inner side wall of the rubber pad.
As a further preferred aspect of the present invention: the outer side wall of the box body is evenly provided with a ventilation opening, and the inner side wall of the ventilation opening is fixedly connected with a dust screen.
As a further preferred aspect of the present invention: the signal output ends of the infrared temperature sensor, the smoke concentration sensor and the timer are electrically connected to the signal input end of the PLC through wires, and the signal output end of the PLC is electrically connected to the signal input end of the signal transceiver through wires.
As further preferable in the present technical solution: the electrical output end of the PLC controller is electrically connected to the electrical input end of the relay through a wire, and the electrical output end of the relay is electrically connected to the electrical input end of the warning lamp through a wire.
The utility model has the advantages that: the utility model discloses a two infrared temperature sensor detect the temperature data of cable junction department simultaneously, then carry out timing work through the time-recorder, then receive the data of infrared temperature sensor and time-recorder through the PLC controller, calculate the temperature variation trend of cable junction department, when the temperature variation trend that the data that infrared temperature sensor detected reached threshold value or cable junction department is greater than the threshold value, signal transceiver sends early warning information to remote control terminal, thereby make the staff in time generate heat to the cable unusually and handle, the emergence of conflagration has been avoided, the safety guarantee of wind turbine generator system in service has been increased.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic longitudinal sectional view of the present invention;
fig. 4 is a schematic sectional view of the box of the present invention.
In the figure: 1. a fixing assembly; 2. a detection mechanism; 101. a unit cable body; 102. a first clamp ring; 103. a second clamp ring; 104. a box body; 105. a warning light; 201. an infrared temperature sensor; 202. a signal transceiver; 203. a smoke concentration sensor; 204. a PLC controller; 205. a timer; 206. a relay; 41. a rubber pad; 42. a connecting plate; 43. a threaded post; 44. a nut; 45. a vent; 46. and (4) a dust screen.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a wind turbine generator system cable connection point remote temperature measuring device comprises
The fixing assembly 1 comprises a unit cable body 101, a first clamping ring 102, a second clamping ring 103, a box body 104 and a warning lamp 105;
the detection mechanism 2, the detection mechanism 2 includes an infrared temperature sensor 201, a signal transceiver 202, a smoke concentration sensor 203, a PLC 204, a timer 205 and a relay 206;
the top of the unit cable body 101 is equipped with the box 104, the first clamp ring 102 of bottom fixedly connected with of box 104, one side of first clamp ring 102 articulates through the pivot has second clamp ring 103, infrared temperature sensor 201 is all installed at the inside wall middle part of first clamp ring 102 and second clamp ring 103, signal transceiver 202 is installed to upper surface one side of box 104, PLC controller 204 is installed to inside diapire one side of box 104, the inside diapire mid-mounting of box 104 has time-recorder 205, the upper surface mid-mounting of box 104 has warning light 105.
In this embodiment, specifically: a smoke concentration sensor 203 is arranged in the middle of one side of the box body 104; the smoke density sensor 203 detects the smoke density data around the unit cable body 101, and the relays 206 are uniformly mounted on one side of the inner bottom wall of the box 104.
In this embodiment, specifically: one sides of the first clamping ring 102 and the second clamping ring 103 are fixedly connected with a connecting plate 42; one end of the connecting plate 42 is provided with a supporting force through the first clamping ring 102 and the second clamping ring 103, and the inner side wall of the connecting plate 42 is connected with the threaded column 43 in a sliding mode.
In this embodiment, specifically: a nut 44 is fixedly connected to the bottom of one connecting plate 42, and the outer side wall of the threaded column 43 is in threaded connection with the inner side wall of the nut 44; the two connection plates 42 are tightened by turning the threaded studs 43 with nuts 44.
In this embodiment, specifically: the inner side walls of the first clamping ring 102 and the second clamping ring 103 are fixedly connected with rubber pads 41; the friction between the first and second clamp rings 102 and 103 and the unit cable body 101 is increased by the rubber pad 41, and one end of the infrared temperature sensor 201 penetrates through the inner side wall of the rubber pad 41 in order to provide a buffer between the first and second clamp rings 102 and 103 and the unit cable body 101.
In this embodiment, specifically: the outer side wall of the box body 104 is uniformly provided with ventilation openings 45; ventilating and heat dissipating are carried out on the interior of the box body 104 through a ventilation opening 45, and a dustproof net 46 is fixedly connected to the inner side wall of the ventilation opening 45; dust carried in the air is intercepted by the dust screen 46.
In this embodiment, specifically: the signal output ends of the infrared temperature sensor 201, the smoke concentration sensor 203 and the timer 205 are electrically connected with the signal input end of the PLC 204 through leads; the data of the infrared temperature sensor 201, the smoke concentration sensor 203 and the timer 205 are received through the PLC 204, and the signal output end of the PLC 204 is electrically connected to the signal input end of the signal transceiver 202 through a wire.
In this embodiment, specifically: the electrical output end of the PLC controller 204 is electrically connected to the electrical input end of the relay 206 through a wire; the PLC 204 is used for controlling the on and off of the relay 206, and the electrical output end of the relay 206 is electrically connected with the electrical input end of the warning lamp 105 through a lead; the turn-on and turn-off of the warning lamp 105 is controlled by the relay 206.
In this embodiment, specifically: a switch group for turning on and off the infrared temperature sensor 201, the signal transceiver 202, the smoke concentration sensor 203, the PLC controller 204 and the timer 205 is installed at one side of the box 104, and an electrical input end of the switch group is electrically connected to an electrical output end of the storage battery through a wire so as to supply power to the infrared temperature sensor 201, the signal transceiver 202, the smoke concentration sensor 203, the PLC controller 204 and the timer 205.
In this embodiment, specifically: the model of the infrared temperature sensor 201 is MIK-AL-10; the signal transceiver 202 has a model number DMX 512; the model of the smoke concentration sensor 203 is MGK-14D; the PLC controller 204 is model DF-96D.
Working principle or structural principle: when the cable clamp is used, the first clamp ring 102 and the second clamp ring 103 are clamped at the connecting point of the unit cable body 101 by moving the first clamp ring 102 and the second clamp ring 103, the threaded column 43 is moved to penetrate through the two connecting plates 42, the two connecting plates 42 are tightened by rotating the threaded column 43 through the nut 44, so that the first clamp ring 102 and the second clamp ring 103 are fixed on the unit cable body 101, the infrared temperature sensor 201, the signal transceiver 202, the smoke concentration sensor 203, the PLC 204 and the timer 205 are started to work through the switch group, the working infrared temperature sensor 201 detects temperature data at the cable connecting point, the timer 205 performs timing work, the PLC 204 receives data of the infrared temperature sensor 201 and the timer 205, and the PLC 204 calculates the trend of temperature change in preset time by using the data of the infrared temperature sensor 201 and the timer 205, then, smoke concentration data around the unit cable body 101 are detected through the smoke concentration sensor 203, when temperature data detected by the infrared temperature sensor 201 is larger than a threshold value or smoke concentration data detected by the smoke concentration sensor 203 is larger than the threshold value or a temperature change trend within a preset time is larger than the threshold value, early warning information is generated through the PLC 204, then the early warning information is transmitted to a remote control terminal through the signal transceiver 202, so that a worker is remotely reminded, then the PLC 204 starts the relay 206 to work, the working relay 206 starts the warning lamp 105 to work, the working warning lamp 105 gives an alarm, so that the worker can quickly determine the fault position of the unit cable body 101, the occurrence of fire is avoided, the safety guarantee in the operation of the wind power unit is increased, friction between the first clamping ring 102 and the second clamping ring 103 and the unit cable body 101 is increased through the arranged rubber pad 41, in order to provide buffering between the first clamping ring 102 and the second clamping ring 103 and the unit cable body 101, the box body 104 is ventilated and cooled through the arranged ventilation openings 45, dust carried in air is intercepted through the dust screen 46, and the dust is prevented from entering the box body 104 through the ventilation openings 45.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A wind turbine generator system cable connection point remote temperature measuring device is characterized by comprising
The fixing assembly (1) comprises a unit cable body (101), a first clamping ring (102), a second clamping ring (103), a box body (104) and a warning lamp (105);
the detection mechanism (2) comprises an infrared temperature sensor (201), a signal transceiver (202), a smoke concentration sensor (203), a PLC (programmable logic controller) (204), a timer (205) and a relay (206);
the top of the unit cable body (101) is equipped with box (104), the first clamp ring (102) of bottom fixedly connected with of box (104), one side of first clamp ring (102) articulates through the pivot has second clamp ring (103), infrared temperature sensor (201) are all installed at the inside wall middle part of first clamp ring (102) and second clamp ring (103), signal transceiver (202) are installed to upper surface one side of box (104), PLC controller (204) are installed to inside diapire one side of box (104), the inside diapire mid-mounting of box (104) has time-recorder (205), the upper surface mid-mounting of box (104) has warning light (105).
2. The wind turbine generator cable connection point remote temperature measuring device according to claim 1, characterized in that: the smoke concentration sensor (203) is installed in the middle of one side of the box body (104), and the relays (206) are evenly installed on one side of the bottom wall of the interior of the box body (104).
3. The wind turbine generator cable connection point remote temperature measuring device according to claim 1, characterized in that: one side of the first clamping ring (102) and one side of the second clamping ring (103) are both fixedly connected with a connecting plate (42), and the inner side wall of the connecting plate (42) is connected with a threaded column (43) in a sliding mode.
4. The wind turbine generator cable connection point remote temperature measuring device according to claim 3, characterized in that: the bottom of one connecting plate (42) is fixedly connected with a nut (44), and the outer side wall of the threaded column (43) is in threaded connection with the inner side wall of the nut (44).
5. The wind turbine generator cable connection point remote temperature measuring device according to claim 1, characterized in that: the inner side walls of the first clamping ring (102) and the second clamping ring (103) are fixedly connected with rubber pads (41), and one end of the infrared temperature sensor (201) penetrates through the inner side walls of the rubber pads (41).
6. The wind turbine generator cable connection point remote temperature measuring device according to claim 1, characterized in that: the outer side wall of the box body (104) is uniformly provided with a ventilation opening (45), and the inner side wall of the ventilation opening (45) is fixedly connected with a dust screen (46).
7. The wind turbine generator cable connection point remote temperature measuring device according to claim 1, characterized in that: the signal output ends of the infrared temperature sensor (201), the smoke concentration sensor (203) and the timer (205) are electrically connected to the signal input end of the PLC (204) through a wire, and the signal output end of the PLC (204) is electrically connected to the signal input end of the signal transceiver (202) through a wire.
8. The wind turbine generator cable connection point remote temperature measuring device according to claim 1, characterized in that: the electrical output end of the PLC (204) is electrically connected to the electrical input end of the relay (206) through a wire, and the electrical output end of the relay (206) is electrically connected to the electrical input end of the warning lamp (105) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183225.1U CN217331397U (en) | 2022-05-11 | 2022-05-11 | Long-range temperature measuring device of wind turbine generator system cable junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183225.1U CN217331397U (en) | 2022-05-11 | 2022-05-11 | Long-range temperature measuring device of wind turbine generator system cable junction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217331397U true CN217331397U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221183225.1U Active CN217331397U (en) | 2022-05-11 | 2022-05-11 | Long-range temperature measuring device of wind turbine generator system cable junction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217331397U (en) |
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2022
- 2022-05-11 CN CN202221183225.1U patent/CN217331397U/en active Active
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